54621867 has 18 divisors (see below), whose sum is σ = 77674684. Its totient is φ = 34136000.

The previous prime is 54621851. The next prime is 54621869. The reversal of 54621867 is 76812645.

It is not a de Polignac number, because 54621867 - 2⁴ = 54621851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54621869) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 217492 + ... + 217742.

Almost surely, 2^54621867 is an apocalyptic number.

54621867 is a deficient number, since it is larger than the sum of its proper divisors (23052817).

54621867 is an equidigital number, since it uses as much as digits as its factorization.

54621867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 271 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 54621867 is about 7390.6607958964. The cubic root of 54621867 is about 379.4217127400.

The spelling of 54621867 in words is "fifty-four million, six hundred twenty-one thousand, eight hundred sixty-seven".